mycelial/mycelite

Health v2 · maintenance only

Adoption not part of the score

1095 stars · 17 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

Mycelite is a SQLite extension (implemented as a VFS proxy in Rust) that performs physical, single-writer replication by intercepting page writes, creating binary diffs, and applying them to a replica for a bit-perfect copy. It supports sending diffs over the network and time-travel recovery to previous timestamps.

Use cases

• replicate a SQLite database to another machine
• keep a local-first app's SQLite data in sync
• create a bit-perfect backup copy of SQLite with point-in-time recovery
• sync SQLite databases over unreliable networks at the edge
• set up read replicas for a single-writer SQLite database

When to choose

• you need physical (bit-perfect) SQLite replication with low overhead
• you want point-in-time recovery / time travel for a SQLite database
• you're building local-first apps that sync SQLite data
• replicas must match the primary exactly, including object order

When to avoid

• you need multiple concurrent writers (only single-writer is supported)
• your database uses WAL mode (not supported)
• you need logical replication with filtering or transformation of changes
• you frequently run VACUUM, which produces large journal entries

Facets

library · maturity maintenance

database database-driver streaming databases microservices developer-tools cross-platform rust cpp python go sqlite-extension physical-replication vfs local-first edge-computing single-writer data-engineering nodejs

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